| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adj] for us [verb] | 68 |
|
| 2 | it is [adj] for us [to-vb] | 68 |
|
| 3 | it is difficult for us [verb] | 12 |
|
| 4 | it is important for us [verb] | 12 |
|
| 5 | it is necessary for us [verb] | 9 |
|
| 6 | it is hard for us [verb] | 7 |
|
| 7 | it is impossible for us [verb] | 6 |
|
| 8 | it is [adj] for us understand | 5 |
|
| 9 | it is [adj] for us to have | 5 |
|
| 10 | it is [adj] for us to understand | 5 |
|
| 11 | it is [adj] for us to imagine | 5 |
|
| 12 | it is [adj] for us have | 5 |
|
| 13 | it is [adj] for us imagine | 5 |
|
